/* * Copyright (C) 2004-2017 Apple Inc. All rights reserved. * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include "TextCodec.h" #include <unicode/ucnv.h> namespace WebCore { using ICUConverterPtr = std::unique_ptr<UConverter, void (*)(UConverter*)>; class TextCodecICU : public TextCodec { public: TextCodecICU(const char* encoding, const char* canonicalConverterName); virtual ~TextCodecICU(); static void registerEncodingNames(EncodingNameRegistrar); static void registerCodecs(TextCodecRegistrar); private: String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError) final; Vector<uint8_t> encode(StringView, UnencodableHandling) final; void createICUConverter() const; void releaseICUConverter() const; bool needsGBKFallbacks() const { return m_needsGBKFallbacks; } void setNeedsGBKFallbacks(bool needsFallbacks) { m_needsGBKFallbacks = needsFallbacks; } int decodeToBuffer(UChar* buffer, UChar* bufferLimit, const char*& source, const char* sourceLimit, int32_t* offsets, bool flush, UErrorCode&); const char* const m_encodingName; const char* const m_canonicalConverterName; mutable ICUConverterPtr m_converter { nullptr, ucnv_close }; mutable bool m_needsGBKFallbacks { false }; }; struct ICUConverterWrapper { ICUConverterPtr converter { nullptr, ucnv_close }; WTF_MAKE_FAST_ALLOCATED; }; } // namespace WebCore